1960-1963 1968-1977 20thcenturya 20thcenturyamericanhistory administration americas assassinations biography coldwar conspiracies corruption cuba decisionmaking diplomaticrelations formersovietunion general government historicalbiography history internationalrelations khrushchevera latinamerica management military militarybiography miscellaneous miscellaneouspublicpolicies nuclearweapons publicaffairs relations revolutionaries russia scandals weapons